Unzip/Unrar trainer into your game directory, then start trainer
with "pztrain.exe", and finally start the game. During gameplay
toggle trainer options by pressing the following key combinations:

Enable Disable Option
F1 Infinite Boost
F2 Infinite Money (Money Updates When You Enter
Garage And Click Between Menus)
F3 Get 5000 Points (Points Update When You Enter
Championships. Unlocks All But One Track)
F4 Get 1st In All Races (Does NOT Make You Win
Race But It Alters Your Results To First In
All Races And So Unlocking The Final Track)
F5 Freeze Opponents
F6 Resume All To Normal